Idaho earthquakes

M1.9 earthquake 24 km WNW of Challis, Idaho

A magnitude 1.9 earthquake struck 24 km WNW of Challis, Idaho on Thu, Jun 30, 2016, 12:32 AM MDT (06:32 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M2.3 24 km E of Clayton, Idaho. This one was a foreshock.

Challis forecastMore in Idaho

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.9 (ML, local (Richter)), micro
Magnitude from
Montana Bureau of Mines and Geology
Local time
UTC
2016-06-30 06:32:10 UTC
Depth
6.6 km (4.1 mi), shallow
Epicenter
44.563° N, 114.524° W
Region
Idaho
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.7 km horizontally, 1.6 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
109°
Stations used
11

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 1.98 km NNW of Challis, Idaho · 3742 days ago · 6 km deep · 20 km away
  2. 1.6Idaho-Montana border region · 3741 days ago · 5 km deep · 62 km away
  3. 1.69 km NNW of Challis, Idaho · 3741 days ago · 7 km deep · 18 km away
  4. 1.710 km NW of Challis, Idaho · 3737 days ago · 3 km deep · 17 km away
  5. 2.013 km SE of Challis, Idaho · 3735 days ago · 5 km deep · 37 km away
  6. 1.716 km NW of Challis, Idaho · 3717 days ago · 3 km deep · 15 km away
  7. 1.955 km W of Salmon, Idaho · 3713 days ago · 22 km deep · 61 km away
  8. 2.110 km SE of Challis, Idaho · 3711 days ago · 6 km deep · 33 km away
  9. 2.324 km E of Clayton, Idaho · 3694 days ago · -3 km deep · 49 km away

Before

  1. 2.99 km SE of Challis, Idaho · 3752 days ago · 7 km deep · 34 km away
  2. 1.76 km NNW of Challis, Idaho · 3760 days ago · -2 km deep · 20 km away
  3. 2.320 km SE of Challis, Idaho · 3760 days ago · 10 km deep · 42 km away
  4. 1.837 km NNW of Stanley, Idaho · 3761 days ago · 5 km deep · 43 km away
  5. 2.1southern Idaho · 3765 days ago · 8 km deep · 34 km away
  6. 1.614 km SW of Clayton, Idaho · 3774 days ago · 6 km deep · 43 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event mb80158794. Read Thu, Oct 1, 2026, 7:37 AM UTC.